License, verbatimPD
The National Gallery of Art: open access image with no usage restrictions under the NGA's open access policy (openaccess=1 in the Gallery's published_images dataset).
Friedrich von Martens, after Louis Garneray, published by Goupil & Vibert. Pêche de la Baleine, Whale-Fishery, c. 1834-1835. National Gallery of Art, Washington.